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Caltech: Producing Clean Energy Can Diminish Earthquake Risk


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In the months following the July 5, 2019 magnitude-7.1 earthquake in Ridgecrest, California, seismologists recorded thousands of aftershocks in the region. Surprisingly, none were seen in the Coso geothermal field, an area only about 10 kilometers from the surface ruptures caused by the main shock.
Now, Caltech researchers have discovered that the operations related to geothermal energy production at Coso over the last 30 years have de-stressed the region, making the area less prone to earthquakes. These findings could indicate ways to systematically de-stress high-risk earthquake regions, while simultaneously building clean energy infrastructure.
Find out what s happening in Pasadena with free, real-time updates from Patch. ....

United States , Derek Elsworth , Southern California Earthquake Center , University Cooperative Research Center , National Science Foundation , Penn State University , Coso Suppressed , Thermal Destressing , Penn State , Industry University Cooperative Research Center , Southern California Earthquake , ஒன்றுபட்டது மாநிலங்களில் , டெரெக் எல்ஸ்வொர்த் , தெற்கு கலிஃபோர்னியா பூகம்பம் மையம் , பல்கலைக்கழகம் கூட்டுறவு ஆராய்ச்சி மையம் , தேசிய அறிவியல் அடித்தளம் , பென் நிலை பல்கலைக்கழகம் , பென் நிலை , தொழில் பல்கலைக்கழகம் கூட்டுறவு ஆராய்ச்சி மையம் , தெற்கு கலிஃபோர்னியா பூகம்பம் ,

Researchers awarded grant to advance geothermal energy science


IMAGE: Penn State
“There is a growing need to understand how seismic and hydraulic characteristics of fractured rock can be used to illuminate the key mechanisms controlling subsurface flow, energy production and waste disposal,” Shokouhi said.
In the lab, the research team uses acoustic vibrations on fractured rock to simulate seismic activity. The team then studies the frictional, hydraulic and ultrasonic responses to create a model or image of the fractures. This model allows the team to predict how fluid will flow through the rock, even if the rock is underground and inaccessible.
By using seismic waves to predict the rock fracture properties, Shokouhi said she hopes to better understand how fluid flows through fractured rock to create more efficient methods of monitoring geothermal energy production. ....

Jiang Jin , Chris Marone , Prabhakaran Manogharan , Derek Elsworth , Clay Wood , Parisa Shokouhi , Penn State , Basic Energy Sciences , Energy Basic Sciences , Jacques Rivi , Prabhav Borate , Pennsylvania State University , He Rock , Carbon Dioxide , Power Plant , டெரெக் எல்ஸ்வொர்த் , களிமண் மரம் , பென் நிலை , அடிப்படை ஆற்றல் அறிவியல் , ஆற்றல் அடிப்படை அறிவியல் , பென்சில்வேனியா நிலை பல்கலைக்கழகம் ,